Home / 163,947.49-227,279.30-154,967.13

Finding the Fourth Proportional to 163,947.49, 227,279.30 and 154,967.13

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Solution

The fourth proportional to 163,947.49, 227,279.30 and 154,967.13 is: 214,829.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,947.49 : 227,279.30 = 154,967.13 : x
  2. Step 2: Convert to fraction form
    163,947.49/227,279.30 = 154,967.13/x
  3. Step 3: Cross multiply
    163,947.49x = 227,279.30 × 154,967.13
  4. Step 4: Simplify right side
    163,947.49x = 35,220,820,054.57
  5. Step 5: Solve for x
    x = 35,220,820,054.57/163,947.49
  6. Step 6: Final answer
    x = 214,829.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.